traffic model (dotted line), versus buffersize, along with those obtained by varying ... to slight underestimate of high frame rates. Figure 4(a) presents the frame losses versus buffersize for three different number of multiplexed sources (15, 20 and 25

8 Comparisons of celllossrate with type 1 buffersize ... makes the quality of celllossrate similar to the same buffer structure ... In our simulation, the buffersize named type 1 is assigned with 256 cells

Admitted Calls BufferSize Figure 10: Variation of the maximum number of calls with buffersize – required cellloss probability = 10 6  Case 3: Peak Rate = 1 We now ... parameters were chosen as follows. We set the required cellloss probability equal to 10 the buffersize equal to 40, and let the input trafﬁc be characterized by 0 2 0 02 50 0 . The minimum and maximum calls (5, 50). We vary the input buffersize from 20 to 200 ... to one. The values of the system parameters were chosen as follows. We set the required cellloss

exact approx rho=0.9 cell-loss a rho=0.8 b buffersize Figure 6 Exact and approximate cellloss probability as function of buffersize for different speed up factor and load 0.8 and 0.9 (a speed up = 1, b speed up = 20) ... In Figures 6 and 7 we compare the approximate formula for the cellloss probability with the exact results. From the figures we observe that unless the buffers are small (approx. 20) the approximate formulae for the cellloss gives excellent